<!--
 * @Description: 
 * @Author: Sun
 * @Date: 2024-07-12 10:42:11
 * @LastEditors: Sun
 * @LastEditTime: 2024-07-13 09:57:12
-->
<template>
  <div>
    <el-card class="box-card">
      <!-- 卡片顶部添加品牌按钮 -->
      <el-button type="primary" size="default" icon="Plus" @click="addTrademark"
        v-has="`btn.Trademark.add`">添加品牌</el-button>
      <!-- 表格组件：用于展示已有得平台数据 -->
      <!-- table:---border:可以设置表格纵向是否有边框
        table-column:---label:
        某一个列表 ---width:设置这列宽度 ---align:设置这一列对齐方式    
    -->
      <el-table style="margin:10px 0px" border :data="trademarkArr">
        <el-table-column label="序号" width="80px" align="center" type="index"></el-table-column>
        <!-- table-column:默认展示数据用div -->
        <el-table-column label="品牌名称" prop="tmName">
        </el-table-column>
        <el-table-column label="品牌LOGO">
          <template #="{ row, $index }">
            <img :src="row.logoUrl" style="width:100px;height: 100px;">
          </template>
        </el-table-column>
        <el-table-column label="品牌操作">
          <template #="{ row, $index }">
            <el-button type="primary" size="small" icon="Edit" @click="updateTrademark(row)"></el-button>
            <el-popconfirm :title="`您确定要删除${row.tmName}?`" width="250px" icon="Delete"
              @confirm='removeTradeMark(row.id)'>
              <template #reference>
                <el-button type="primary" size="small" icon="Delete"></el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页器组件
          pagination
          v-model:current-page:设置分页器当前页码
          v-model:page-size:设置每一个展示数据条数
          page-sizes:用于设置下拉菜单数据
          background:设置分页器按钮的背景颜色
          layout:可以设置分页器六个子组件布局调整
    -->
      <el-pagination @size-change="sizeChange" @current-change="getHasTrademark" :pager-count="9"
        v-model:current-page="pageNo" v-model:page-size="limit" :page-sizes="[3, 5, 7, 9]" :background="true"
        layout="prev, pager, next, jumper,->,sizes,total" :total="total" />
    </el-card>

    <!-- 对话框组件:在添加品牌与修改已有品牌的业务时候使用结构 -->
    <!-- 
    v-model:属性用户控制对话框的显示与隐藏的 true显示 false隐藏
      title:设置对话框左上角标题
    -->
    <el-dialog v-model="dialogFormVisible" :title="trademarkParams.id ? '修改品牌' : '添加品牌'">
      <el-form style="width: 80%;" :model="trademarkParams" :rules="rules" ref="formRef">
        <el-form-item label="品牌名称" label-width="100px" prop="tmName">
          <el-input placeholder="请您输入品牌名称" v-model="trademarkParams.tmName"></el-input>
        </el-form-item>
        <el-form-item label="品牌LOGO" label-width="100px" prop="logoUrl">
          <!-- upload组件属性:action图片上传路径书写/api,代理服务器不发送这次post请求  -->
          <el-upload class="avatar-uploader" action="/api/admin/product/fileUpload" :show-file-list="false"
            :on-success="handleAvatarSuccess" :before-upload="beforeAvatarUpload">
            <img v-if="trademarkParams.logoUrl" :src="trademarkParams.logoUrl" class="avatar" />
            <el-icon v-else class="avatar-uploader-icon">
              <Plus />
            </el-icon>
          </el-upload>

        </el-form-item>
      </el-form>
      <!-- 具名插槽:footer -->
      <template #footer>
        <el-button type="primary" size="default" @click="cancel">取消</el-button>
        <el-button type="primary" size="default" @click="confirm">确定</el-button>
      </template>
    </el-dialog>
  </div>

</template>

<script setup lang="ts">
import { ElMessage, UploadProps, formEmits } from 'element-plus'
import { ref, onMounted, reactive, nextTick } from "vue";
import type { Records, TradeMarkResponseData, TradeMark } from '@/api/product/trademark/type'
import { reqHasTrademark, reqAddOrUpdateTrademark, reqDeleteTrademark } from '@/api/product/trademark';

//当前页码
let pageNo = ref<number>(1);
//每一页展示多少条数据
let limit = ref<number>(3);
//存储已有品牌数据总数
let total = ref<number>(0);
//存储已有品牌的数据
let trademarkArr = ref<Records>([]);
//控制对话框显示与隐藏
let dialogFormVisible = ref<boolean>(false)
//定义收集新增品牌数据
let trademarkParams = reactive<TradeMark>({
  tmName: '',
  logoUrl: ''
})
//获取el-form组件实例
let formRef = ref();
//获取已有品牌的接口封装为一个函数:在任何情况下向获取数据,调用次函数即可
const getHasTrademark = async (pager = 1) => {
  //当前页码
  pageNo.value = pager;
  console.log("apageNo.value ", pager, limit)
  let result: TradeMarkResponseData = await reqHasTrademark(pageNo.value, limit.value);
  console.log("adasdasdwwwww", result)
  if (result.code == 200) {
    console.log("adasdasd", result)
    //存储已有品牌总个数
    total.value = result.data.total;
    trademarkArr.value = result.data.records;
  }
}
//当下拉菜单发生变化的时候触发次方法
//这个自定义事件,分页器组件会将下拉菜单选中数据返回
const sizeChange = () => {
  //当前每一页的数据量发生变化的时候，当前页码归1
  getHasTrademark();
}
//组件挂载完毕钩子---发一次请求,获取第一页、一页三个已有品牌数据
onMounted(() => {
  console.log("adasdasd9898")
  getHasTrademark();
});

//添加品牌按钮的回调
const addTrademark = () => {
  //对话框显示
  dialogFormVisible.value = true;
  //清空收集数据
  trademarkParams.id = 0;
  trademarkParams.tmName = '';
  trademarkParams.logoUrl = '';
  //第一种写法:ts的问号语法
  // formRef.value?.clearValidate('tmName');
  // formRef.value?.clearValidate('logoUrl');
  nextTick(() => {
    formRef.value.clearValidate('tmName');
    formRef.value.clearValidate('logoUrl');
  })
}
//修改已有品牌的按钮的回调
//row:row即为当前已有的品牌
const updateTrademark = (row: TradeMark) => {
  //清空校验规则错误提示信息
  nextTick(() => {
    formRef.value.clearValidate('tmName');
    formRef.value.clearValidate('logoUrl');
  })
  //对话框显示
  dialogFormVisible.value = true;
  //ES6语法合并对象
  Object.assign(trademarkParams, row);
}
//对话框底部取消按钮
const cancel = () => {
  //对话框隐藏
  dialogFormVisible.value = false;
}
const confirm = async () => {
  //在你发请求之前,要对于整个表单进行校验
  //调用这个方法进行全部表单相校验,如果校验全部通过，在执行后面的语法
  await formRef.value.validate();
  let result: any = await reqAddOrUpdateTrademark(trademarkParams);
  //添加|修改已有品牌
  if (result.code == 200) {
    //关闭对话框
    dialogFormVisible.value = false;
    //弹出提示信息
    ElMessage({
      type: 'success',
      message: trademarkParams.id ? '修改品牌成功' : '添加品牌成功'
    });
    //再次发请求获取已有全部的品牌数据
    getHasTrademark(trademarkParams.id ? pageNo.value : 1);
  } else {
    //添加品牌失败
    ElMessage({
      type: 'error',
      message: trademarkParams.id ? '修改品牌失败' : '添加品牌失败'
    });
    //关闭对话框
    dialogFormVisible.value = false;
  }
}
//上传图片组件->上传图片之前触发的钩子函数
const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  //钩子是在图片上传成功之前触发,上传文件之前可以约束文件类型与大小
  //要求:上传文件格式png|jpg|gif 4M
  if (rawFile.type == 'image/png' || rawFile.type == 'image/jpeg' || rawFile.type == 'image/gif') {
    if (rawFile.size / 1024 / 1024 < 4) {
      return true;
    } else {
      ElMessage({
        type: 'error',
        message: '上传文件大小小于4M'
      })
      return false;
    }
  } else {
    ElMessage({
      type: 'error',
      message: "上传文件格式务必PNG|JPG|GIF"
    })
    return false;
  }
}
//图片上传成功钩子
const handleAvatarSuccess: UploadProps['onSuccess'] = (response, uploadFile) => {
  //response:即为当前这次上传图片post请求服务器返回的数据
  //收集上传图片的地址,添加一个新的品牌的时候带给服务器
  trademarkParams.logoUrl = response.data;
  //图片上传成功,清除掉对应图片校验结果
  formRef.value.clearValidate('logoUrl');
}
//品牌自定义校验规则方法
const validatorTmName = (rule: any, value: any, callBack: any) => {
  //是当表单元素触发blur时候,会触发此方法
  //自定义校验规则
  if (value.trim().length >= 2) {
    callBack();
  } else {
    //校验未通过返回的错误的提示信息
    callBack(new Error('品牌名称位数大于等于两位'))
  }
}
//品牌LOGO图片的自定义校验规则方法
const validatorLogoUrl = (rule: any, value: any, callBack: any) => {
  //如果图片上传
  if (value) {
    callBack();
  } else {
    callBack(new Error('LOGO图片务必上传'))
  }
}

//表单校验规则对象
const rules = {
  tmName: [
    //required:这个字段务必校验,表单项前面出来五角星
    //trigger:代表触发校验规则时机[blur、change]
    { required: true, trigger: 'blur', validator: validatorTmName }
  ],
  logoUrl: [
    { required: true, validator: validatorLogoUrl }
  ]
}
//气泡确认框确定按钮的回调
const removeTradeMark = async (id: number) => {
  //点击确定按钮删除已有品牌请求
  let result = await reqDeleteTrademark(id);
  if (result.code == 200) {
    //删除成功提示信息
    ElMessage({
      type: 'success',
      message: '删除品牌成功'
    });
    //再次获取已有的品牌数据
    getHasTrademark(trademarkArr.value.length > 1 ? pageNo.value : pageNo.value - 1);
  } else {
    ElMessage({
      type: 'error',
      message: '删除品牌失败'
    })
  }
}

</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>